Advanced Engine Repair Exam With 100% Correct Answers | Already Passed| Graded A+

What fuel system component is used in a vehicle equipped with a diesel engine that is not usually used on the same vehicle when it is equipped with a gasoline engine? - Water-fuel separator The use of a variable vane turbocharger allows the elimination of the ________. - Turbocharger wastegate Technician A says that glow plugs are used to help start a diesel engine and are shut off as soon as the engine starts. Technician B says that the glow plugs are turned off as soon as a flame is detected in the combustion chamber. Which technician is correct? - Neither Technician Which of these takes place during regeneration in a diesel particulate filter (DPF)? - Soot is being burned How is diesel fuel ignited in a warm diesel engine? - Heat of compression Selective catalytic reduction (SCR) uses urea injection to reduce ________ emissions. - NOx Which of the following may be a symptom of injector O-ring trouble in a HEUI system? - The fuel filter element turning black What color exhaust smoke occurs most often during cold engine starts because the smoke is usually condensed fuel droplets? - White What part should be removed to test cylinder compression on a diesel engine? - Glow plug or injector